CN102387491B - A kind of signaling tracking method and device - Google Patents
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- 230000011664 signaling Effects 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 43
- 230000004913 activation Effects 0.000 claims abstract description 13
- 230000001960 triggered effect Effects 0.000 claims abstract description 13
- 238000012546 transfer Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 description 8
- 238000010295 mobile communication Methods 0.000 description 5
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- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
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- 230000006872 improvement Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/16—Communication-related supplementary services, e.g. call-transfer or call-hold
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/18—Negotiating wireless communication parameters
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Abstract
The invention discloses a kind of signaling tracking method, the method comprises: verify user's access capability of described UE with preserve, whether conform to for the user's access capability comprised in tracing control and the configuration parameter of activation trace session, if conformed to, then when starting trigger event and being triggered, start the track record session of described UE, otherwise, do not start the track record session of described UE.The invention also discloses a kind of signalling tracking device, present invention achieves and signaling tracing is carried out to specific access capability UE, thus when UE is required to report increasing Performance Measurement Report, effectively reduce Performance Measurement Report to the impact of UE.
Description
Technical field
The present invention relates to the signaling tracing technology in mobile communication, particularly relate to a kind of signaling tracking method and device.
Background technology
In mobile communication network, carrying out signaling tracing to subscriber equipment (UE) has two kinds of active modes, namely based on the active mode of management and the active mode based on signaling.Wherein, active mode based on management is specially: Element management system (EMS, Element Management System) tracking parameter is sent to each network element (NE, Network Element), when there being the tracking event of network element to be triggered, activate the track record session of corresponding UE; Active mode based on signaling is specially: tracking parameter is sent to certain network element by EMS, then sends other network elements by this network element to by signaling, when there being the tracking event of network element to be triggered, activates the track record session of corresponding UE.
Existing UE follow-up mechanism, implementation procedure is roughly as follows: EMS comprises Subscriber Number (IMSI/IMEI) in the trace session activation message sent, receive the network element of trace session activation message, after receiving the signaling including Subscriber Number, verify that this signaling meets signaling trigger event, then start track record session; Otherwise, do not start track record session.This follow-up mechanism, according to the tenability of UE or residing state, cannot judge whether to start and follows the tracks of.And along with the application of self-organizing network and minimum road test technology, UE is required to report increasing Performance Measurement Report, in order to reduce the impact of Performance Measurement Report on UE, just require that the UE to meeting certain wireless access capability activates signaling tracing.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of signaling tracking method and device, to solve the problem that cannot activate signaling tracing in current signaling tracing according to the wireless access capability of UE.
For achieving the above object, technical scheme of the present invention is achieved in that
The invention provides a kind of signaling tracking method, described method comprises: user's access capability of checking UE with preserve, whether conform to for the user's access capability comprised in tracing control and the configuration parameter of activation trace session, if conformed to, then when starting trigger event and being triggered, start the track record session of described UE, otherwise, do not start the track record session of described UE.
In such scheme, described tracing control and configuration parameter include user's access capability, trigger event and track reference mark.
In such scheme, before whether the user's access capability comprised in user's access capability and described tracing control and the configuration parameter of the described UE of checking conforms to, described method also comprises: the tracing control and the configuration parameter that include user's access capability described in Element management system (EMS) sends, activates the trace session of described UE; Described tracing control and configuration parameter are preserved by the network element receiving described tracing control and configuration parameter.
In such scheme, by signaling, described tracing control and configuration parameter are delivered to successively each network element that will follow the tracks of, and all start the track record session of described UE at each network element that will follow the tracks of.
In such scheme, include tracing control and the configuration parameter of user's access capability described in Element management system (EMS) sends, activate the trace session of described UE; Home subscriber server (HSS) receives the tracing control and configuration parameter preserving that described EMS sends, when receiving user's access capability of UE, whether user's access capability of the UE received by checking conforms to the user's access capability in configuration parameter with described tracing control, if conformed to, then described tracing control and configuration parameter are passed to Mobility Management Entity (MME), otherwise, described tracing control and configuration parameter are not passed to MME; Described MME, when meeting of receiving that UE sends starts the signaling of trigger event, starts the track record session of described UE, and described tracing control and configuration parameter is passed to next network element; Next network element receives described tracing control and configuration parameter and preserves, and starts the track record session of described UE, also described tracing control and configuration parameter is passed to next network element of self; The like, until evolved mobile base station (eNodeB) receives described tracing control and configuration parameter and preserve, start the track record session of described UE.
In such scheme, described method comprises: the tracing control and the configuration parameter that include user's access capability described in EMS sends, activates the trace session of described UE; ENodeB receives described tracing control and configuration parameter and preserves, when receiving user's access capability of UE, whether user's access capability of the UE received by checking conforms to the user's access capability in configuration parameter with described tracing control, if conformed to, then when the startup trigger event of described UE is triggered, start the track record session of described UE, otherwise, do not start the track record session of described UE.
In such scheme, described eNodeB starts the track record session of described UE, be specially: described eNodeB is after the Non-Access Stratum service request receiving described UE transmission, verify that user's access capability of the described UE that this Non-Access Stratum service request comprises meets the user's access capability in described tracing control and configuration parameter, and described Non-Access Stratum service request meets the startup trigger event of described UE, then start the track record session of described UE.
Present invention also offers a kind of signalling tracking device, described device comprises: authentication unit and start unit, and wherein, start unit, for when starting trigger event and being triggered, starts track record session; Authentication unit, for verify user's access capability of described UE with preserve, whether conform to for the user's access capability comprised in tracing control and the configuration parameter of activation trace session; If conformed to, described authentication unit notifies that described start unit starts the track record session of described UE, otherwise described start unit does not start the track record session of described UE.
In such scheme, described device also comprises: memory cell, and wherein, memory cell, for receiving and including tracing control and the configuration parameter of user's access capability described in preserving.
In such scheme, described device also comprises: transfer unit, wherein, and transfer unit, the network element that the next one passing to current network for the described tracing control described memory cell preserved and configuration parameter will be followed the tracks of.
Signaling tracking method of the present invention and device, verify described UE user's access capability, conform to the user's access capability comprised in the tracing control preserved and configuration parameter time, just start the track record session of described UE, achieve and signaling tracing is carried out to specific access capability UE, thus when UE is required to report increasing Performance Measurement Report, effectively reduce Performance Measurement Report to the impact of UE.
Accompanying drawing explanation
Fig. 1 is the realization flow schematic diagram of signaling tracking method of the present invention;
Fig. 2 is the mutual schematic diagram for EPC signaling method, the UE of specific access capability being carried out to signaling tracing of the embodiment of the present invention one;
Fig. 3 is the mutual schematic diagram for E-UTRAN way to manage, the UE of specific access capability being carried out to signaling tracing of the embodiment of the present invention two.
Embodiment
The present invention is based on Subscriber Number and user's access capability (UE Capability) carries out signaling tracing to UE, support that the UE to specific wireless access capability carries out the application scenarios of signaling tracing.
Signaling tracking method of the present invention, can realize carrying out signaling tracing to the UE of specific access capability, with reference to shown in Fig. 1, mainly comprise: user's access capability of checking UE with preserve, whether conform to for the user's access capability comprised in tracing control and the configuration parameter of activation trace session, if conformed to, then, when starting trigger event and being triggered, start the track record session of described UE, otherwise, do not start the track record session of described UE.
Here, the network element that above-mentioned process can preserve described tracing control and configuration parameter by any one in mobile communications network completes, or jointly completed by the multiple network elements preserving described tracing control and configuration parameter in mobile communications network, such as, can by home subscriber server (HSS, Home SubscriberServer) and Mobility Management Entity (MME, Mobility Management Entity) jointly complete, or can be completed by evolved mobile base station (eNodeB, Evolved Node B).
Here, described tracing control and configuration parameter at least include UE Capability, trigger event and track reference mark.
Wherein, UE Capability can value be universal communication wireless access (UTRA, UniversalTelecommunication Radio Access) Frequency Division Duplexing (FDD) (FDD, Frequency DivisionDuplexing), time division duplex (TDD, Time Division Duplexing), GSM EDGE Radio Access Network (GERAN, GSM EDGE Radio Access Network) etc., can also value be other any parameter values that can be used in representing user terminal wireless access capability.
Wherein, before whether the user's access capability comprised in user's access capability and described tracing control and the configuration parameter of the described UE of checking conforms to, described method can also comprise: the tracing control and the configuration parameter that include user's access capability described in EMS sends, activates the trace session of described UE; Described tracing control and configuration parameter are preserved by the network element receiving described tracing control and configuration parameter.
Here, described EMS sends by described tracing control and configuration parameter being carried in the trace session activation message that will send.
Wherein, described method also comprises: described tracing control and configuration parameter are transmitted successively between each network element by signaling, and starts the track record session of described UE at each network element.It should be noted that, only when adopting signaling method to realize signaling tracing, described method just comprises this step.
Particularly, include tracing control and the configuration parameter of user's access capability described in EMS sends, activate the trace session of described UE; HSS receives the tracing control and configuration parameter preserving that described EMS sends, when receiving user's access capability of UE, whether user's access capability of the UE received by checking conforms to the user's access capability in configuration parameter with described tracing control, if conformed to, then described tracing control and configuration parameter are passed to MME, otherwise, described tracing control and configuration parameter are not passed to MME; Described MME receive UE send meet the signaling of trigger event time, start the track record session of described UE, and described tracing control and configuration parameter passed to next network element; Next network element receives described tracing control and configuration parameter and preserves, and starts the track record session of described UE, also described tracing control and configuration parameter is passed to next network element of self; The like, until eNodeB receives described tracing control and configuration parameter and preserves, start the track record session of described UE.
Or described method can also comprise: the tracing control and the configuration parameter that include user's access capability described in EM S sends, activate the trace session of described UE; ENodeB receives described tracing control and configuration parameter and preserves, when receiving user's access capability of UE, whether user's access capability of the UE received by checking conforms to the user's access capability in configuration parameter with described tracing control, if conformed to, then when the startup trigger event of described UE is triggered, start the track record session of described UE, otherwise, do not start the track record session of described UE.It should be noted that, only when adopting way to manage to realize signaling tracing, described method just comprises this process.
Wherein, described eNodeB starts the track record session of described UE, be specifically as follows: described eNodeB is after the Non-Access Stratum service request receiving described UE transmission, verify that user's access capability of the described UE that this Non-Access Stratum service request comprises meets the user's access capability in described tracing control and configuration parameter, and described Non-Access Stratum service request meets the startup trigger event of described UE, then start the track record session of described UE.
For realizing above-mentioned signaling tracking method, present invention also offers a kind of signalling tracking device, mainly comprise: authentication unit and start unit, wherein, start unit is used for starting track record session when starting trigger event and being triggered, authentication unit for user's access capability of verifying described UE with preserved, whether the user's access capability for comprising in tracing control and the configuration parameter of activation trace session conforms to, if conformed to, then authentication unit notifies that described start unit starts the track record session of described UE, otherwise, described start unit does not start the track record session of described UE.
In practical application, above-mentioned device can arrange any one network element in the mobile communication network, also can be arranged on multiple network element simultaneously, can also authentication unit wherein and start unit be separately positioned on different network elements, such as, authentication unit can be arranged on the HSS in EPC, start unit is arranged on the MME in EPC simultaneously, or, above-mentioned device can be arranged on the eNodeB in Evolved UMTS Terrestrial wireless access network (E-UTRAN, Evolved UMTS Terrestrial Radio Access Network).
Wherein, described device also comprises: memory cell, for receiving and including tracing control and the configuration parameter of user's access capability described in preserving.
Wherein, described device can also comprise: transfer unit, and described transfer unit is used for the next network element that the described tracing control described memory cell preserved and configuration parameter pass to current network.
Particularly, realized the signaling tracing of UE by this signalling tracking device, specific implementation process please refer to the flow process of following embodiment.
Be described in further detail below in conjunction with the enforcement of the drawings and specific embodiments to technical scheme of the present invention.
Embodiment one
As shown in Figure 2, for EPC system, adopt signaling method the subscriber equipment of specific access capability to be carried out to the process of signaling tracing, specifically comprise following flow process:
Step 201, EMS sends trace session activation message to HSS, carries tracing control and configuration parameter in this message, and comprises the UECapability that value is support UTRA FDD in tracing control and configuration parameter;
Here, described tracing control and configuration parameter at least include Subscriber Number, UE Capability, trigger event and track reference mark.
Subscriber Number specifically can comprise the international mobile subscriber identity (IMSI of subscriber equipment, International Mobile Subscriber Identity) and/or International Mobile Equipment Identity code (IMEI, International Mobile Equipment Identity).
Step 202, HSS receives the trace session activation message that described EMS sends, and tracing control wherein and configuration parameter is preserved;
Step 203 ~ 204, UE to eNodeB, initiate attachment request, eNodeB by the attachment request forward of UE to MME;
Here, the information such as UE Capability, Subscriber Number of self is included in the attachment request that UE sends.
Step 205, after MME receives the attachment request from eNodeB, sends the position updating request of described UE to HSS;
Here, the position updating request of described UE includes the information such as UE Capability, Subscriber Number of described UE.
Step 206, after HSS receives the position updating request from MME, upgrades response to MME home position.
Particularly, HSS judges that the Subscriber Number of described UE is specify the Subscriber Number followed the tracks of, namely the Subscriber Number including described UE in the tracing control and configuration parameter of self preservation is judged, and, HSS judge the UE Capability of described UE with self the UE Capability that preserves in tracing control and configuration parameter consistent, namely the UE Capability of described UE is for supporting UTRA FDD, afterwards, HSS carries the tracing control and configuration parameter self preserved in the location updating response returning to MME, starts the track record session of described UE on MME;
Here, the tracing control that HSS sends to MME and configuration parameter specifically can comprise: Subscriber Number (IMSI or IMEISV), trace session reference number (Trace Reference), tracking event (Triggeringevents for MME, Serving GW, PDN GW), tracking depths (Trace Depth for MME, Serving GW, PDN GW, eNB), tracking network element type (List ofNE types to trace), follow the tracks of interface (List of Interfaces for MME, Serving GW, PDN GW, eNB), follow the tracks of and collect physical address (IP address of Trace Collection Entity).
Step 207, carries the renewal response message of tracing control and configuration parameter, and described tracing control and configuration parameter is preserved described in MME receives;
Step 208, MME, when self receiving the signaling of startup trigger event that UE sends, that meet tracing control and configuration parameter in described trace session, starts the track record session of described UE.
Step 209 ~ 210, MME sends to S-GW and creates session request, and carries described tracing control and configuration parameter, and S-GW receives described establishment session request and tracing control wherein and configuration parameter preserved;
Here, the tracing control that MME sends to S-GW and configuration parameter comprise: Subscriber Number, trace session reference number, track record session reference number (Trace Recording Session Reference), follow the tracks of event (Triggering events for PDN GW), tracking depths (Trace Depth for Serving GW, PDN GW), tracking network element type (List of NE types to trace), follow the tracks of interface (List of Interfacesfor Serving GW, PDN GW), follow the tracks of collect physical address.
Step 211, S-GW starts the track record session of described UE.
Step 212 ~ 213, S-GW sends to P-GW and creates session request, carries tracing control and configuration parameter in this request, and P-GW receives this establishment session request and tracing control wherein and configuration parameter preserved;
Here, the tracing control that sends to P-GW of S-GW and configuration parameter comprise: Subscriber Number, trace session reference number, track record session reference number, follow the tracks of event (Triggering events for Serving GW, PDN GW), tracking depths (Trace Depth for Serving GW, PDN GW), follow the tracks of interface (Listof Interfaces for PDN GW), follow the tracks of and collect physical address.
Step 214, P-GW starts the track record session to described UE.
Step 215 ~ 216, P-GW returns establishment conversational response to S-GW, and S-GW returns establishment conversational response to MME again.
Step 217 ~ 218, MME sends initial context to eNodeB and sets up request, and carries tracing control and configuration parameter; ENodeB receives described initial context and sets up request, and tracing control wherein and configuration parameter is preserved.
Here, the tracing control that sends to eNodeB of MME and configuration parameter specifically can comprise: trace session reference number, track record session reference number, tracking depths (Trace Depth for eNB), follow the tracks of and collect physical address.
Step 219, eNodeB starts the track record session to described UE, so far, achieves the signaling tracing of described UE.
Embodiment two
As shown in Figure 3, for E-UTRAN, adopt way to manage the subscriber equipment of specific access capability to be carried out to the process of signaling tracing, specifically can comprise following flow process:
Step 301, EMS sends trace session activation message by NE management person (EM) to eNodeB, carries the tracing control comprising UE Capability and configuration parameter in this message;
Wherein, described tracing control and configuration parameter at least include UE Capability, trigger event and track reference mark.
Here, the UE Capability that described tracing control and configuration parameter comprise is support UTRA FDD.
Step 302, eNodeB receives described trace session message, activates the trace session of self, and the tracing control carried in described trace session message and configuration parameter is preserved.
Step 303, UE sends Non-Access Stratum (NAS, Non-Access-Stratum) service request to eNodeB, access eNodeB;
Here, the NAS service request that UE sends comprises the information such as the UE Capability of described UE.
Step 304 ~ 307, eNodeB receives the NAS service request that described UE sends, judge that the UE Capability wherein comprised and the tracing control self preserved conform to the UE Capability in configuration parameter, and the NAS service request that described UE sends meets the startup trigger event in the tracing control and configuration parameter self preserved, then eNodeB starts the track record session of described UE, and sends tracking notifications message to MME; After MME receives tracking notifications message, self finding the Subscriber Number (IMSI and IMEISV) of described UE, and report IMSI and IMEISV that track record comprises trace session reference number, track record session reference number to the track record that TCE, MME report and searches.
Step 308, eNodeB reports the track record of described track record session to collect entity (TCE, Trace Collection Entity) to tracking, and the track record that eNodeB reports comprises trace session reference number and track record session reference number.
Step 309, is triggered at the stopping trigger event of described track record session, such as, when eNodeB receives the signaling of the stopping trigger event triggering described track record session, and the track record session of eNodeB deexcitation UE.
The above, be only the present invention's reference example on EPC/E-UTRAN, be not intended to limit protection scope of the present invention.
The above, be only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention, and all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a signaling tracking method, is characterized in that, described method comprises:
User's access capability of checking UE with preserve, whether conform to for the user's access capability comprised in tracing control and the configuration parameter of activation trace session, if conformed to, then when starting trigger event and being triggered, start the track record session of described UE, otherwise, do not start the track record session of described UE.
2. signaling tracking method according to claim 1, is characterized in that, described tracing control and configuration parameter include user's access capability, trigger event and track reference mark.
3. signaling tracking method according to claim 1 and 2, is characterized in that, before whether the user's access capability comprised in user's access capability and described tracing control and the configuration parameter of the described UE of checking conforms to, described method also comprises:
Include tracing control and the configuration parameter of user's access capability described in Element management system EMS sends, activate the trace session of described UE; Described tracing control and configuration parameter are preserved by the network element receiving described tracing control and configuration parameter.
4. signaling tracking method according to claim 3, is characterized in that, described method also comprises:
By signaling, described tracing control and configuration parameter are delivered to successively each network element that will follow the tracks of, and all start the track record session of described UE at each network element that will follow the tracks of.
5. signaling tracking method according to claim 4, is characterized in that, described method comprises:
Include tracing control and the configuration parameter of user's access capability described in Element management system EMS sends, activate the trace session of described UE;
Home subscriber server HSS receives the tracing control and configuration parameter preserving that described EMS sends, when receiving user's access capability of UE, whether user's access capability of the UE received by checking conforms to the user's access capability in configuration parameter with described tracing control, if conformed to, then described tracing control and configuration parameter are passed to Mobility Management Entity MME, otherwise, described tracing control and configuration parameter are not passed to MME;
Described MME, when meeting of receiving that UE sends starts the signaling of trigger event, starts the track record session of described UE, and described tracing control and configuration parameter is passed to next network element;
Next network element receives described tracing control and configuration parameter and preserves, and starts the track record session of described UE, also described tracing control and configuration parameter is passed to next network element of self;
The like, until evolved mobile base station eNodeB receives described tracing control and configuration parameter and preserves, start the track record session of described UE.
6. signaling tracking method according to claim 3, is characterized in that, described method comprises:
Include tracing control and the configuration parameter of user's access capability described in EMS sends, activate the trace session of described UE;
ENodeB receives described tracing control and configuration parameter and preserves, when receiving user's access capability of UE, whether user's access capability of the UE received by checking conforms to the user's access capability in configuration parameter with described tracing control, if conformed to, then when the startup trigger event of described UE is triggered, start the track record session of described UE, otherwise, do not start the track record session of described UE.
7. signaling tracking method according to claim 5, is characterized in that, described eNodeB starts the track record session of described UE, is specially:
Described eNodeB is after the Non-Access Stratum service request receiving described UE transmission, verify that user's access capability of the described UE that this Non-Access Stratum service request comprises meets the user's access capability in described tracing control and configuration parameter, and described Non-Access Stratum service request meets the startup trigger event of described UE, then start the track record session of described UE.
8. a signalling tracking device, is characterized in that, described device comprises: authentication unit and start unit, wherein,
Start unit, for when starting trigger event and being triggered, starts track record session;
Authentication unit, for verify user's access capability of UE with preserve, whether conform to for the user's access capability comprised in tracing control and the configuration parameter of activation trace session;
If conformed to, described authentication unit notifies that described start unit starts the track record session of described UE, otherwise described start unit does not start the track record session of described UE.
9. signalling tracking device according to claim 8, is characterized in that, described device also comprises: memory cell, wherein,
Memory cell, for receiving and including tracing control and the configuration parameter of user's access capability described in preserving.
10. signalling tracking device according to claim 9, is characterized in that, described device also comprises: transfer unit, wherein,
Transfer unit, the network element that the next one passing to current network for the described tracing control described memory cell preserved and configuration parameter will be followed the tracks of.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010266599.5A CN102387491B (en) | 2010-08-27 | 2010-08-27 | A kind of signaling tracking method and device |
| PCT/CN2011/071297 WO2012024916A1 (en) | 2010-08-27 | 2011-02-25 | Signaling trace method and device |
| EP11819291.3A EP2611231A4 (en) | 2010-08-27 | 2011-02-25 | Signaling trace method and device |
| JP2013525118A JP5646756B2 (en) | 2010-08-27 | 2011-02-25 | Signal tracing method and apparatus |
| US13/819,085 US20130150008A1 (en) | 2010-08-27 | 2011-02-25 | Method and apparatus for signaling trace |
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| CN201010266599.5A CN102387491B (en) | 2010-08-27 | 2010-08-27 | A kind of signaling tracking method and device |
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| CN102387491A CN102387491A (en) | 2012-03-21 |
| CN102387491B true CN102387491B (en) | 2015-09-16 |
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| US (1) | US20130150008A1 (en) |
| EP (1) | EP2611231A4 (en) |
| JP (1) | JP5646756B2 (en) |
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| CN104426997B (en) | 2013-09-11 | 2019-06-21 | 中兴通讯股份有限公司 | Method and device for processing signaling tracking |
| CN105656650A (en) * | 2014-11-13 | 2016-06-08 | 中兴通讯股份有限公司 | Timing tracking method and element management system (EMS) |
| CN105657686A (en) * | 2014-11-17 | 2016-06-08 | 中兴通讯股份有限公司 | Method and device for optimizing tracking reliability of user equipment |
| EP3881646A4 (en) * | 2018-11-14 | 2022-06-15 | Nokia Solutions and Networks Oy | Trace management |
| JP7324863B2 (en) * | 2019-04-25 | 2023-08-10 | テレフオンアクチーボラゲット エルエム エリクソン（パブル） | Method and network node for tracking user equipment |
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- 2011-02-25 EP EP11819291.3A patent/EP2611231A4/en not_active Withdrawn
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Also Published As
| Publication number | Publication date |
|---|---|
| EP2611231A4 (en) | 2016-12-21 |
| JP5646756B2 (en) | 2014-12-24 |
| US20130150008A1 (en) | 2013-06-13 |
| EP2611231A1 (en) | 2013-07-03 |
| CN102387491A (en) | 2012-03-21 |
| JP2013539632A (en) | 2013-10-24 |
| WO2012024916A1 (en) | 2012-03-01 |
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